package collection.map;

import java.util.TreeMap;

/**
 * @author jiangwz
 * @create 2019/10/7.
 */
public class TestTreeMap {

    public static void main(String[] args){

        TreeMap<Integer, Object> treeMap = new TreeMap<>();
        for (int i = 0; i < 3; i++) {
            treeMap.put(i, i);
        }
        System.out.println(treeMap);
    }
}
